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/* list.c - grub list function */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/list.h>
#include <grub/misc.h>
#include <grub/mm.h>
void *
grub_named_list_find (grub_named_list_t head, const char *name)
{
grub_named_list_t item;
FOR_LIST_ELEMENTS (item, head)
if (grub_strcmp (item->name, name) == 0)
return item;
return NULL;
}
void
grub_list_push (grub_list_t *head, grub_list_t item)
{
item->prev = head;
if (*head)
(*head)->prev = &item->next;
item->next = *head;
*head = item;
}
void
grub_list_remove (grub_list_t item)
{
if (item->prev)
*item->prev = item->next;
if (item->next)
item->next->prev = item->prev;
item->next = 0;
item->prev = 0;
}
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